86 lines
3 KiB
Python
86 lines
3 KiB
Python
# listwidget.pyw
|
||
from typing import Optional
|
||
from PyQt5.QtWidgets import QListWidget, QWidget, QAbstractItemView, QListWidgetItem
|
||
from PyQt5.QtGui import QDragEnterEvent, QDropEvent, QDragMoveEvent, QKeyEvent
|
||
from PyQt5.QtCore import Qt, QModelIndex, pyqtSignal
|
||
|
||
|
||
class MyListWidget(QListWidget):
|
||
"""支持拖拽的QListWidget"""
|
||
change_list_name = pyqtSignal()
|
||
|
||
def __init__(self, parent: Optional[QWidget] = None) -> None:
|
||
super().__init__(parent)
|
||
|
||
# 拖拽设置
|
||
# self.setAcceptDrops(True)
|
||
# self.setDragEnabled(True)
|
||
# self.setDragDropMode(QAbstractItemView.DragDrop) # 设置拖放
|
||
# self.setSelectionMode(QAbstractItemView.ExtendedSelection) # 设置选择多个
|
||
# self.setDefaultDropAction(Qt.CopyAction)
|
||
# 双击可编辑
|
||
self.edited_item = self.currentItem()
|
||
self.close_flag = True
|
||
# self.doubleClicked.connect(self.item_double_clicked)
|
||
self.currentItemChanged.connect(self.close_edit)
|
||
|
||
def keyPressEvent(self, e: QKeyEvent) -> None:
|
||
|
||
"""回车事件，关闭edit"""
|
||
super().keyPressEvent(e)
|
||
if e.key() == Qt.Key_Return:
|
||
if self.close_flag:
|
||
self.close_edit()
|
||
self.close_flag = True
|
||
self.change_list_name.emit()
|
||
|
||
def edit_new_item(self) -> None:
|
||
"""edit一个新的item"""
|
||
self.close_flag = False
|
||
self.close_edit()
|
||
count = self.count()
|
||
self.addItem('')
|
||
item = self.item(count)
|
||
self.edited_item = item
|
||
self.openPersistentEditor(item)
|
||
self.editItem(item)
|
||
|
||
def item_double_clicked(self, modelindex: QModelIndex) -> None:
|
||
"""双击事件"""
|
||
if self.currentRow() > 1:
|
||
self.close_edit()
|
||
item = self.item(modelindex.row())
|
||
self.edited_item = item
|
||
self.openPersistentEditor(item)
|
||
self.editItem(item)
|
||
# print(self.currentItem().text())
|
||
|
||
def close_edit(self, *_) -> None:
|
||
"""关闭edit"""
|
||
# print(self.currentItem().text())
|
||
# print(self.currentRow())
|
||
|
||
if self.edited_item and self.isPersistentEditorOpen(self.edited_item):
|
||
self.closePersistentEditor(self.edited_item)
|
||
|
||
def dragEnterEvent(self, e: QDragEnterEvent) -> None:
|
||
"""（从外部或内部控件）拖拽进入后触发的事件"""
|
||
# print(e.mimeData().text())
|
||
if e.mimeData().hasText():
|
||
if e.mimeData().text().startswith('file:///'):
|
||
e.accept()
|
||
else:
|
||
e.ignore()
|
||
|
||
def dragMoveEvent(self, e: QDragMoveEvent) -> None:
|
||
"""拖拽移动过程中触发的事件"""
|
||
e.accept()
|
||
|
||
def dropEvent(self, e: QDropEvent) -> None:
|
||
"""拖拽结束以后触发的事件"""
|
||
paths = e.mimeData().text().split('\n')
|
||
for path in paths:
|
||
path = path.strip()
|
||
if len(path) > 8:
|
||
self.addItem(path.strip()[8:])
|
||
e.accept()
|